If X and Y are real numbers Determine the minimum value of 2x^2+2xy+2y^2+6y how do i separate the two to get two simultaneous equations?do i use the inequality sign ?

Question

If X and Y are real numbers Determine the minimum value of 2x^2+2xy+2y^2+6y  how do i separate the two to get two simultaneous equations?do i use the inequality sign > ?

Damon · Answer

f(x,y) = 2 (x^2 + xy + 3 y + y^2) How could that be less than 0?

Anonymous · Answer

It was given to me like that I also wanted to use the >sign. Please help me because I'm not sure of how to separate it